Angel's past is revealed through flashbacks, such as when he was sired by Darla and when he sired Drusilla. In the present, however, Angelus tries to bring Hell to Earth.
Angel looked incredibly sexy in the flashbacks, especially the first one. Rawr. I didn't realize that most of the scenes I've seen already have already happened in this episode. Drusilla's confession was one of them, and Buffy and Willow finding the Restoration spell was another. Sarah Michelle Gellar is a really good actress and she is beautiful, too. Not a bad episode at all. I kinda liked that all those flashbacks were included, but at the same time some weren't needed. Awesome episode. :)